"We discovered a bug in the Android 4.2 update, which makes it impossible to enter December events in optional fields of the People app (this bug did not affect Calendar). Rest assured, this will be fixed soon so that those of you with December birthdays and anniversaries won't be forgotten by your friends and family."

Android 4.2 is found on a handful of devices, including Google's Galaxy Nexus phone and Nexus 7 tablet.

The bug does not affect the Calendar app in Android 4.2 -- nicknamed Jelly Bean -- where December is still alive and well. So maybe Google isn't worried about that Mayan apocalypse after all.